2009 Mercedes-Benz CLS vs. 1981 Audi 4000
To start off, 2009 Mercedes-Benz CLS is newer by 28 year(s). Which means there will be less support and parts availability for 1981 Audi 4000. In addition, the cost of maintenance, including insurance, on 1981 Audi 4000 would be higher. At 5,461 cc (8 cylinders), 2009 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz CLS (377 HP @ 6000 RPM) has 277 more horse power than 1981 Audi 4000. (100 HP @ 4250 RPM). In normal driving conditions, 2009 Mercedes-Benz CLS should accelerate faster than 1981 Audi 4000.
Because 1981 Audi 4000 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Mercedes-Benz CLS. In wet, icy, snow, or gravel driving conditions, 1981 Audi 4000 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2009 Mercedes-Benz CLS (392 Nm) has 255 more torque (in Nm) than 1981 Audi 4000. (137 Nm). This means 2009 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi 4000.
Compare all specifications:
| 2009 Mercedes-Benz CLS | 1981 Audi 4000 | |
| Make | Mercedes-Benz | Audi |
| Model | CLS | 4000 |
| Year Released | 2009 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 5461 cc | 2144 cc |
| Engine Cylinders | 8 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Horse Power | 377 HP | 100 HP |
| Engine RPM | 6000 RPM | 4250 RPM |
| Torque | 392 Nm | 137 Nm |
| Top Speed | 250 km/hour | 168 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Length | 4920 mm | 4490 mm |
| Vehicle Width | 1880 mm | 1690 mm |
| Vehicle Height | 1420 mm | 1370 mm |
| Wheelbase Size | 2570 mm | 2550 mm |
